Ultrasonic measurement for two/three-phase flow detection

被引：0
|
作者：
Zheng, Y [1 ]
机构：
[1] Univ New Brunswick, Dept Chem Engn, Fredericton, NB E3B 5A3, Canada
来源：
CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 2003年 / 81卷 / 02期
关键词：
ultrasonic technique; multiphase system; phase holdups; fluidized bed;
D O I：
10.1002/cjce.5450810212
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Ultrasonic technique offers a good potential for phase holdup measurements in multiphase systems. Experiments were performed in an expanded fluidized bed consisting of water, air bubbles and/or glass beads. In this research note, the instantaneous signals of ultrasound were, for the first time, analyzed for the purpose of phase holdup determination. The results show that the fluctuations of the speed and attenuation of ultrasound are a well-defined function of solid and gas holdups in a multiphase system.
引用
收藏
页码：268 / 270
页数：3
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